On a hill near Pohlheim-Grüningen this reconstructed Roman watch-tower reminds of the fact that part of the Roman Limes was once erected in this region. There is also a memorial with a Latin inscription and some fortifications.

A historic marker along a visible part of the original Roman wall along the river that surrounded the city of Londinium dating from 250 AD. Later English Kings used this wall as a foundation for the Tower of London.

[FR] L'entrée du port romain était marquée par une construction connue sous le nom de «Lanterne d'Auguste». [EN] The entrance to the Roman port was marked by a small light house, which still exists today known as the "Lantern of Augustus."